title: Vaccines: An age-old problem.
authors.forename: Sarah
authors.initials: S
authors.lastname: DeWeerdt
mesh_terms: D000818:Animals; D001500:BCG Vaccine / Q000276:immunology; D002986:Clinical Trials as Topic; D006801:Humans; D007111:Immunity, Cellular; D056724:Immunity, Humoral; D032581:Tuberculosis Vaccines / Q000008:administration & dosage / Q000276:immunology* / Q000592:standards*; D014397:Tuberculosis, Pulmonary / Q000276:immunology / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine; D032581:Tuberculosis Vaccines